Knowledge base for software setup, errors, and daily tool work.

PowerShell High Memory Usage Not Dropping: Fixes That Work

You run a PowerShell script, memory usage climbs to several hundred MB or even GB, and after the ...

Fix KMS Activation Error: Port 1688 Already in Use

Fix Chrome 502 Bad Gateway Error When Using a VPN

You're browsing with a VPN active, and Chrome suddenly shows a 502 Bad Gateway e...

Fix Windows Security Offline Installer Stuck Issues

You download the Windows Security offline installer (the .cab or .psf file) to update Defender de...

How to Fix Microsoft Teams Not Launching

If Microsoft Teams opens briefly then closes, or fails to start at all, the problem is often loca...